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Ring Tones

Wireless-video-telephone-with-ambient-light-sensor

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OF THE PREFERRED EMBODIMENTS With reference now to detail of the drawings, the present invention ...

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Wireless video telephone with ambient light sensor

Details

Inventors: Kosaka, Akio;
Assignee: Denso Corporation (Kariya, JP)
Primary Examiner: Tran; Sinh
Assistant Examiner: Ramos-Feliciano; Eliseo
Attorney, Agent or Firm: Harness, Dickey & Pierce, PLC

A communication device such as a portable video telephone capable of transmitting images as well as sound is capable of preventing the transmission of dark and featureless images resulting from the device being used in a dark location. When an image is to be transmitted, a device controller determines if the present ambient light level is too dark by measuring the light level of a light sensor. If the ambient light is inadequate, the controller generates a brightness warning on the device display, and stops image transmission.

DETAILED DESCRIPTION It is therefore an object of the present invention to provide a wireless communication device capable of inhibiting the transmission of images which are featureless due to insufficient lighting.
More particularly, the present invention provides a communication device including a display for displaying messages.
A voice transmitter transmits voice data, and an image transceiver receives and transmits image data.
A light measuring device measures the ambient light level, and a controller in communication with the light measuring device generates a message on the display indicating that the light level is inadequate when the light level is measured by the light measuring device to be lower than a predetermined level.
With the communication device of the present invention, because it is possible to warn a user that the present ambient light level is inadequate, the user can move to a location having a sufficient level of light, or increase the level of light in the present location, so that image data can be properly transmitted.

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